Display screen with a transitional graphical user interface



FIG. 1 is a front view of a display screen with a transitional graphicaluser interface showing my new design separately in an exampleenvironment for completeness of illustration;

FIG. 2 is an enlarged view of the display screen of FIG. 1 with a firstimage;

FIG. 3 is an enlarged view thereof with a second image;

FIG. 4 is an enlarged view thereof with a third image;

FIG. 5 is an enlarged view thereof with a fourth image; and,

FIG. 6 is an enlarged view thereof with a fifth image.

The outermost broken lines in FIG. 1 illustrate an electronic device,the broken line at the periphery of the graphical user interfaceillustrates the display screen, and the remaining broken linesillustrate portions of the transitional graphical user interface. Noneof the broken lines form part of the claimed design.

CLAIM The ornamental design for a display screen with a transitional graphical user interface, as shown and described. 